<?php

namespace Aws\S3\Crypto;

use Aws\Crypto\MaterialsProviderInterfaceV2;

trait CryptoParamsTraitV2 {
	use CryptoParamsTrait;

	protected function getMaterialsProvider(array $args) {
		if($args['@MaterialsProvider'] instanceof MaterialsProviderInterfaceV2) {
			return $args['@MaterialsProvider'];
		}

		throw new \InvalidArgumentException('An instance of MaterialsProviderInterfaceV2'
			.' must be passed in the "MaterialsProvider" field.');
	}
}
